Pizza cutter



FIG. 1 is a top, side and front, perspective view of a pizza cutter showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevation view thereof; and,

FIG. 7 is a rear elevation view thereof. 

The ornamental design for a pizza cutter, as shown and described. 